Zac Efron rides a horse on the set of 'Neighbors 2'

Zac Efron, Chloe Moretz, Seth Rogen , Rose Byrne - Zac Efron puts on his saddle for a scene in 'Neighbors 2' filming in Los Angeles. The actor was seen jumping on top of a horse with a fraternity flag while co star Chloe Moretz host a frat party wearing a wig and a tight mini skirt. - Los Angeles, California, United States - Thursday 29th October 2015 (1 Picture)